In a refigeration system, once the gage manifold hoses are attached to the compressor service valve connections and properly purged, what should be th...

Question

In a refigeration system, once the gage manifold hoses are attached to the compressor service valve connections and properly purged, what should be the status of the manifold valves and the service valves when the purpose for attachment is to read system pressures?

Accepted Answer

both manifold hand valves should be closed and the compressor service valves should be cracked-off their back seats

Engine 2014: General Subjects

In a refigeration system, once the gage manifold hoses are attached to the compressor service valve connections and properly purged, what should be the status of the manifold valves and the service valves when the purpose for attachment is to read system pressures?

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